Decay studies of 215-217Th using ER- γ- α- γ coincidences P. Kuusiniemi, F. P. Heßberger, D. Ackermann, S. Hofmann, B. Sulignano, I. Kojouharov and R. Mann Eur. Phys. J. A, 25 3 (2005) 397-404 Published online: 08 September 2005 DOI: 10.1140/epja/i2005-10117-0